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145 lines
3.4 KiB
C
145 lines
3.4 KiB
C
/*
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*
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* Copyright (c) 1996 Stefan Esser <se@freebsd.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice immediately at the beginning of the file, without modification,
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* this list of conditions, and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Absolutely no warranty of function or purpose is made by the author
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* Stefan Esser.
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* 4. Modifications may be freely made to this file if the above conditions
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* are met.
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*
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* $FreeBSD$
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <pci/pcireg.h>
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#include <pci/pcivar.h>
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#include <sys/socket.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <net/if_types.h>
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#include <netinet/in.h>
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#include <netinet/if_ether.h>
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#include <dev/lnc/if_lncvar.h>
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#include "lnc.h"
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#ifndef COMPAT_OLDPCI
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#error "The lnc device requires the old pci compatibility shims"
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#endif
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#define PCI_DEVICE_ID_PCNet_PCI 0x20001022
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#define PCI_DEVICE_ID_PCHome_PCI 0x20011022
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extern int pcnet_probe __P((lnc_softc_t *sc));
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extern int lnc_attach_sc __P((lnc_softc_t *sc, int unit));
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static const char* lnc_pci_probe __P((pcici_t tag, pcidi_t type));
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static void lnc_pci_attach __P((pcici_t config_id, int unit));
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static u_long lnc_pci_count = NLNC;
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static struct pci_device lnc_pci_driver = {
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"lnc",
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lnc_pci_probe,
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lnc_pci_attach,
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&lnc_pci_count,
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NULL
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};
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COMPAT_PCI_DRIVER (lnc_pci, lnc_pci_driver);
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static const char*
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lnc_pci_probe (pcici_t tag, pcidi_t type)
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{
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switch(type) {
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case PCI_DEVICE_ID_PCNet_PCI:
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return ("PCNet/PCI Ethernet adapter");
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break;
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case PCI_DEVICE_ID_PCHome_PCI:
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return ("PCHome/PCI Ethernet adapter");
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break;
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default:
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break;
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}
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return (0);
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}
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void lncintr_sc (void*);
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static void
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lnc_pci_attach(config_id, unit)
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pcici_t config_id;
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int unit;
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{
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lnc_softc_t *sc;
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unsigned iobase;
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unsigned data; /* scratch to make this device a bus master*/
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int i;
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if ( !pci_map_port(config_id,PCI_MAP_REG_START,(u_short *)&iobase) )
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printf("lnc%d: pci_port_map_attach failed?!\n",unit);
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/* Make this device a bus master. This was implictly done by
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pci_map_port under 2.2.x -- tvf */
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data = pci_cfgread(config_id, PCIR_COMMAND, 4);
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data |= PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN;
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pci_cfgwrite(config_id, PCIR_COMMAND, data, 4);
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sc = malloc(sizeof *sc, M_DEVBUF, M_NOWAIT);
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if (sc) {
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bzero (sc, sizeof *sc);
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sc->rap = iobase + PCNET_RAP;
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sc->rdp = iobase + PCNET_RDP;
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sc->bdp = iobase + PCNET_BDP;
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sc->nic.ic = pcnet_probe(sc);
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if (sc->nic.ic >= PCnet_32) {
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sc->nic.ident = NE2100;
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sc->nic.mem_mode = DMA_FIXED;
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/* XXX - For now just use the defines */
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sc->nrdre = NRDRE;
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sc->ntdre = NTDRE;
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/* Extract MAC address from PROM */
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for (i = 0; i < ETHER_ADDR_LEN; i++)
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sc->arpcom.ac_enaddr[i] = inb(iobase + i);
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if (lnc_attach_sc(sc, unit) == 0) {
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free(sc, M_DEVBUF);
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sc = NULL;
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}
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if(!(pci_map_int(config_id, lncintr_sc, (void *)sc, &net_imask))) {
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free (sc, M_DEVBUF);
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return;
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}
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} else {
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free(sc, M_DEVBUF);
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}
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}
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return;
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}
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